>>I believe this is the same edition that my dad brought home from a
>>garage sale circa 1987, and tried to run the included module (which
>>IIRC was B2, not B1 -- "Keep on the Borderlands" -- did they maybe
>>randomize which module you got in the box, along with the ruleset?)
>
>You had the next edition after this one, assuming the module you are
>remembering is the one about the Caves of Chaos, (a bunch of different
>humanoids living around the sides of a small valley).

Yeah, that was it. Weird that they would have shipped different modules with different editions of the basic ruleset, but then, the entire concept was pretty weird anyway.